code: def forward(self, x):
      _, _, H, W = x.shape
      backbone_out = self.backbone(x)
      neck_out = self.neck(backbone_out)
      y = self.head(neck_out)
      y = F.interpolate(
          y, size=(H, W), mode="bilinear", align_corners=True
      )
      return y
  
file_path: PaddleOCR/benchmark/PaddleOCR_DBNet/models/model.py
imports: from addict import Dict
  from paddle import nn
  import paddle.nn.functional
  from models.backbone import build_backbone
  from models.neck import build_neck
  from models.head import build_head
label_desc: Use image node_id 2 for calling the Model obj's underlying member method code with example usage: obj.forward(x) and returns: y